This table defines the mapping between instrument numbers and instruments.
| Number | Class | Instrument |
|---|---|---|
| 0 | Piano | Acoustic Grand Piano |
| 1 | Piano | Bright Acoustic Piano |
| 2 | Piano | Electric Grand Piano |
| 3 | Piano | Honky-tonk Piano |
| 4 | Piano | Rhodes Piano |
| 5 | Piano | Chorused Piano |
| 6 | Piano | Harpsichord |
| 7 | Piano | Clavinet |
| 8 | Chromatic Percussion | Celesta |
| 9 | Chromatic Percussion | Glockenspiel |
| 10 | Chromatic Percussion | Music box |
| 11 | Chromatic Percussion | Vibraphone |
| 12 | Chromatic Percussion | Marimba |
| 13 | Chromatic Percussion | Xylophone |
| 14 | Chromatic Percussion | Tubular Bells |
| 15 | Chromatic Percussion | Dulcimer |
| 16 | Organ | Hammond Organ |
| 17 | Organ | Percussive Organ |
| 18 | Organ | Rock Organ |
| 19 | Organ | Church Organ |
| 20 | Organ | Reed Organ |
| 21 | Organ | Accordion |
| 22 | Organ | Harmonica |
| 23 | Organ | Tango Accordion |
| 24 | Guitar | Acoustic Guitar (nylon) |
| 25 | Guitar | Acoustic Guitar (steel) |
| 26 | Guitar | Electric Guitar (jazz) |
| 27 | Guitar | Electric Guitar (clean) |
| 28 | Guitar | Electric Guitar (muted) |
| 29 | Guitar | Overdriven Guitar |
| 30 | Guitar | Distortion Guitar |
| 31 | Guitar | Guitar Harmonics |
| 32 | Bass | Acoustic Bass |
| 33 | Bass | Electric Bass (finger) |
| 34 | Bass | Electric Bass (pick) |
| 35 | Bass | Fretless Bass |
| 36 | Bass | Slap Bass 1 |
| 37 | Bass | Slap Bass 2 |
| 38 | Bass | Synth Bass 1 |
| 39 | Bass | Synth Bass 2 |
| 40 | Strings | Violin |
| 41 | Strings | Viola |
| 42 | Strings | Cello |
| 43 | Strings | Contrabass |
| 44 | Strings | Tremolo Strings |
| 45 | Strings | Pizzicato Strings |
| 46 | Strings | Orchestral Harp |
| 47 | Strings | Timpani |
| 48 | Ensemble | String Ensemble 1 |
| 49 | Ensemble | String Ensemble 2 |
| 50 | Ensemble | Synth Strings 1 |
| 51 | Ensemble | Synth Strings 2 |
| 52 | Ensemble | Choir Aahs |
| 53 | Ensemble | Voice Oohs |
| 54 | Ensemble | Synth Voice |
| 55 | Ensemble | Orchestra Hit |
| 56 | Brass | Trumpet |
| 57 | Brass | Trombone |
| 58 | Brass | Tuba |
| 59 | Brass | Muted Trumpet |
| 60 | Brass | French Horn |
| 61 | Brass | Brass Section |
| 62 | Brass | Synth Brass 1 |
| 63 | Brass | Synth Brass 2 |
| 64 | Reed | Soprano Sax |
| 65 | Reed | Alto Sax |
| 66 | Reed | Tenor Sax |
| 67 | Reed | Baritone Sax |
| 68 | Reed | Oboe |
| 69 | Reed | English Horn |
| 70 | Reed | Bassoon |
| 71 | Reed | Clarinet |
| 72 | Pipe | Piccolo |
| 73 | Pipe | Flute |
| 74 | Pipe | Recorder |
| 75 | Pipe | Pan Flute |
| 76 | Pipe | Bottle Blow |
| 77 | Pipe | Shakuhachi |
| 78 | Pipe | Whistle |
| 79 | Pipe | Ocarina |
| 80 | Synth Lead | Lead 1 (square) |
| 81 | Synth Lead | Lead 2 (sawtooth) |
| 82 | Synth Lead | Lead 3 (calliope lead) |
| 83 | Synth Lead | Lead 4 (chiffer lead) |
| 84 | Synth Lead | Lead 5 (charang) |
| 85 | Synth Lead | Lead 6 (voice) |
| 86 | Synth Lead | Lead 7 (fifths) |
| 87 | Synth Lead | Lead 8 (brass + lead) |
| 88 | Synth Pad | Pad 1 (new age) |
| 89 | Synth Pad | Pad 2 (warm) |
| 90 | Synth Pad | Pad 3 (polysynth) |
| 91 | Synth Pad | Pad 4 (choir) |
| 92 | Synth Pad | Pad 5 (bowed) |
| 93 | Synth Pad | Pad 6 (metallic) |
| 94 | Synth Pad | Pad 7 (halo) |
| 95 | Synth Pad | Pad 8 (sweep) |
| 96 | Synth Effects | FX 1 (rain) |
| 97 | Synth Effects | FX 2 (soundtrack) |
| 98 | Synth Effects | FX 3 (crystal) |
| 99 | Synth Effects | FX 4 (atmosphere) |
| 100 | Synth Effects | FX 5 (brightness) |
| 101 | Synth Effects | FX 6 (goblins) |
| 102 | Synth Effects | FX 7 (echoes) |
| 103 | Synth Effects | FX 8 (sci-fi) |
| 104 | Ethnic | Sitar |
| 105 | Ethnic | Banjo |
| 106 | Ethnic | Shamisen |
| 107 | Ethnic | Koto |
| 108 | Ethnic | Kalimba |
| 109 | Ethnic | Bagpipe |
| 110 | Ethnic | Fiddle |
| 111 | Ethnic | Shana |
| 112 | Percussive | Tinkle Bell |
| 113 | Percussive | Agogo |
| 114 | Percussive | Steel Drums |
| 115 | Percussive | Woodblock |
| 116 | Percussive | Taiko Drum |
| 117 | Percussive | Melodic Tom |
| 118 | Percussive | Synth Drum |
| 119 | Percussive | Reverse Cymbal |
| 120 | Sound Effects | Guitar Fret Noise |
| 121 | Sound Effects | Breath Noise |
| 122 | Sound Effects | Seashore |
| 123 | Sound Effects | Bird Tweet |
| 124 | Sound Effects | Telephone Ring |
| 125 | Sound Effects | Helicopter |
| 126 | Sound Effects | Applause |
| 127 | Sound Effects | Gunshot |